243004093 has 2 divisors, whose sum is σ = 243004094. Its totient is φ = 243004092.

The previous prime is 243004063. The next prime is 243004159. The reversal of 243004093 is 390400342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220136569 + 22867524 = 14837^2 + 4782^2 .

It is a cyclic number.

It is not a de Polignac number, because 243004093 - 2⁹ = 243003581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243004063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121502046 + 121502047.

It is an arithmetic number, because the mean of its divisors is an integer number (121502047).

Almost surely, 2^243004093 is an apocalyptic number.

It is an amenable number.

243004093 is a deficient number, since it is larger than the sum of its proper divisors (1).

243004093 is an equidigital number, since it uses as much as digits as its factorization.

243004093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 243004093 is about 15588.5885506033. The cubic root of 243004093 is about 624.0286505103.

The spelling of 243004093 in words is "two hundred forty-three million, four thousand, ninety-three".